Anniversary of Mayweather-Pacquiao fight coincides with comeback talk

An anniversary can be cause for looking back to fond memories, which for those who profited from the May 2, 2015, Floyd Mayweather Jr.-Manny Pacquiao fight would be the $600-million plus grossed by the event and the record 4.6 million pay-per-view buys that generated $437 million in sales.

After...